it's the first overnight protest since the "occupy" movement was evicted last year. members say they will stay there until noon today. >>> president barack obama comes back to san francisco today for his final bay area appearance before next month's election. the president spending the night in southern california in l.a. after an appearance before a roomful of stars last night and he used their performances to make light of his own in last week's debate. here he is. >> they just perform flawlessly night after night, uhm, i can't always say the same. [ laughter ] >> the president was referring to singer's katy perry and jennifer hudson, who took the stage before him. >>> this morning president obama will visit the home of the farm labor leader cesar chavez being made a national monument. the president will arrive then at sfo around 1:40 in afternoon on air force one. he has a private fundraising dinner here in san francisco. then a public concert and rally at the bill graham civic auditorium. the president will spend the night in san francisco before taking off. >>>